feat(android): add a screenshot test for NetworkPosts

android/build.gradle.kts

@@ -26,6 +26,7 @@ plugins {
   alias(libs.plugins.kotlin.composeCompiler)
   alias(libs.plugins.kotlin.serialization)
   alias(libs.plugins.navigation.safeargs)
+  alias(libs.plugins.screenshot)
 }
 
 android {
@@ -40,6 +41,7 @@ android {
     applicationIdSuffix = ".internal"
     debuggable(true)
   }
+  experimentalProperties["android.experimental.enableScreenshotTest"] = true
 }
 
 baselineProfile {
@@ -119,6 +121,8 @@ dependencies {
 
   kapt(libs.dagger.compiler)
 
+  screenshotTestImplementation(libs.androidx.compose.ui.tooling)
+
   addTestDependencies(project)
   androidTestImplementation(libs.androidx.test.espresso.core)
   androidTestImplementation(libs.androidx.test.uiautomator)

android/src/debug/screenshotTest/reference/dev/msfjarvis/claw/android/ui/lists/NetworkPostsTest/DefaultPreview_Dark theme_6497bd62_da39a3ee_0.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:073465fa7a1cbf3c9ed1956451c59c72147c1ec5f7208d3bb648ede8d1411373
+size 220590

android/src/debug/screenshotTest/reference/dev/msfjarvis/claw/android/ui/lists/NetworkPostsTest/DefaultPreview_Light theme_5e9d521d_da39a3ee_0.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5911948ab89dfd264561c3ddbf90777477bed7b756375c452b2f2611b036644a
+size 222316

android/src/screenshotTest/kotlin/dev/msfjarvis/claw/android/ui/lists/NetworkPostsTest.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright © 2024 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.android.ui.lists
+
+import android.annotation.SuppressLint
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.runtime.Composable
+import androidx.paging.PagingData
+import androidx.paging.compose.collectAsLazyPagingItems
+import dev.msfjarvis.claw.common.posts.TEST_POST
+import dev.msfjarvis.claw.common.posts.TEST_POST_ACTIONS
+import dev.msfjarvis.claw.common.theme.LobstersTheme
+import dev.msfjarvis.claw.common.ui.preview.ThemePreviews
+import kotlinx.coroutines.flow.MutableStateFlow
+
+@SuppressLint("ComposePreviewPublic", "ComposeUnstableReceiver")
+class NetworkPostsTest {
+  @ThemePreviews
+  @Composable
+  fun DefaultPreview() {
+    val items = List(20) { TEST_POST.copy(shortId = "${TEST_POST.shortId}${it}") }
+    val flow = MutableStateFlow(PagingData.from(items))
+    LobstersTheme {
+      NetworkPosts(
+        lazyPagingItems = flow.collectAsLazyPagingItems(),
+        listState = rememberLazyListState(),
+        postActions = TEST_POST_ACTIONS,
+        contentPadding = PaddingValues(),
+      )
+    }
+  }
+}